power: reset: at91-reset: add support for SAMA7G5

Add support for SAMA7G5 including reset_controller_dev support for 3 lines
(which are USB PHYs).

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

diff --git a/drivers/power/reset/at91-reset.c b/drivers/power/reset/at91-reset.c
index bc9f1d9e78671af78fe3850550c45d57f85b6914..741e44a017c3fc3d859dd73666afbeae443156b9 100644 (file)
--- a/drivers/power/reset/at91-reset.c
+++ b/drivers/power/reset/at91-reset.c
@@ -22,6 +22,8 @@
 #include <soc/at91/at91sam9_ddrsdr.h>
 #include <soc/at91/at91sam9_sdramc.h>
 
+#include <dt-bindings/reset/sama7g5-reset.h>
+
 #define AT91_RSTC_CR   0x00            /* Reset Controller Control Register */
 #define AT91_RSTC_PROCRST      BIT(0)          /* Processor Reset */
 #define AT91_RSTC_PERRST       BIT(2)          /* Peripheral Reset */
@@ -206,6 +208,13 @@ static const struct at91_reset_data samx7 = {
        .reset_args = AT91_RSTC_KEY | AT91_RSTC_PROCRST,
 };
 
+static const struct at91_reset_data sama7g5 = {
+       .reset_args = AT91_RSTC_KEY | AT91_RSTC_PROCRST,
+       .n_device_reset = 3,
+       .device_reset_min_id = SAMA7G5_RESET_USB_PHY1,
+       .device_reset_max_id = SAMA7G5_RESET_USB_PHY3,
+};
+
 static const struct of_device_id at91_reset_of_match[] = {
        {
                .compatible = "atmel,at91sam9260-rstc",
@@ -227,6 +236,10 @@ static const struct of_device_id at91_reset_of_match[] = {
                .compatible = "microchip,sam9x60-rstc",
                .data = &samx7,
        },
+       {
+               .compatible = "microchip,sama7g5-rstc",
+               .data = &sama7g5,
+       },
        { /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, at91_reset_of_match);